Round Kidde smoke alarm centered, wired with red/black conductors; vents and "10 year" label visible on its white plastic face in a close-up overhead view.
DETECT

Smoke Alarm, Hardwired with 10-Year Backup Battery

20SA10-CA

This alarm offers cutting edge technology that sends fast alerts to give your family more time to get out safely and enhanced sensing technology reduces false alarms often caused by cooking.

  • Hardwired Alarm with Worry-Free 10-Year Backup Battery: No battery changes for 10 years.† Avoids inconvenient battery replacements and low battery chirps over the life of the device.

  • Fast Alerts - Cutting edge technology gives ample time to get out safely.

  • Interconnected Alarms▲- When one alarm sounds, they all sound, so you never miss an emergency and can get out faster.

Helpful Resources

Detection Type

Power Source

Backup battery options

Discover Detect

Protect your home with the help of our full range of home and fire safety products.

Video of the features and benefits of this product.Play button

Key Benefits

  • No Low Battery Chirps Icon

    No Low Battery Chirps

    This alarm beeps to remind you it’s time to replace it 10 years after it is powered.

  • Interconnected Alarms Icon

    Interconnected Alarms▲

    When one alarm sounds, they all sound, so you never miss an emergency and can get out faster.

  • Reduced Nuisance Icon

    Reduced Nuisance Alarms

    Reduces false alarms often caused by cooking.

How to Install

See how easy installation is with the included twist-and-click mounting bracket.

White Kidde smoke-and-carbon-monoxide alarm mounted on a light wall, its green LED illuminated; left side displays bold "KIDDE DETECT ALARM INSTALLATION" branding on a minimalist pale background.Play button
Marble kitchen island displays a black spring-neck faucet and soap dispenser, holding a wooden bowl of oranges and a water bottle, with woven stools in a bright, white minimalist kitchen.

DETECT Products

Kidde DETECT alarms are comprehensively tested and designed to the latest UL standard for safety and reliability. Plus, cutting edge technology sends fast alerts that give your family more time to get out safely. And enhanced sensing technology reduces false alarms often caused by cooking.

A red fire extinguisher stands upright beside smoke and carbon-monoxide alarms and packaging, arranged on a light wooden table against a pale wall with a large red "#1" safety-brand badge.

Why Kidde

As North America's #1 home fire safety brand,* Kidde has been working to help make your home the safest it can be for more than 100 years. Now, our latest smoke alarms and combination smoke + carbon monoxide (CO) alarms are bringing you the next level of fire and CO safety. Help protect what matters most in your life with features like cutting edge technology that send fast alerts to give your family more time to get out safely. And enhanced sensing technology that reduces false alarms often caused by cooking.

*Based on total household installations as of December 2023.

† 10-year limited warranty on alarm. Not a battery performance claim. ▲Different models offer different interconnection options and requirements. See User Guide for more info.